:root {
  --bg:#0a0a0f; --surface:#12121a; --surface2:#1a1a26; --border:#2a2a3e;
  --accent:#00d4aa; --accent2:#7c5cfc; --red:#ff4d6a; --green:#00d4aa;
  --text:#e8e8f0; --text2:#8888aa; --text3:#55556a;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Noto Sans KR',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:40px 40px;opacity:0.3;pointer-events:none;z-index:0;}
.wrap{position:relative;z-index:1;max-width:1400px;margin:0 auto;padding:24px;}

/* Header */
header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border);}
.logo{font-family:'Space Mono',monospace;font-size:18px;color:var(--accent);letter-spacing:-0.5px;}
.logo span{color:var(--text2);}
.htime{font-family:'Space Mono',monospace;font-size:11px;color:var(--text3);}
.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:6px;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px;transition:.2s;}
.card:hover{border-color:var(--accent2);transform:translateY(-2px);}
.card-label{font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:1px;font-family:'Space Mono',monospace;margin-bottom:8px;}
.card-val{font-size:22px;font-weight:700;font-family:'Space Mono',monospace;line-height:1;color:var(--text);}
.card-sub{font-size:11px;color:var(--text2);margin-top:5px;}
.up{color:var(--green)!important;} .down{color:var(--red)!important;}

/* Form */
.add-form{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px;}
.form-row{display:grid;grid-template-columns:1.4fr .9fr 1fr 1fr auto;gap:10px;align-items:end;}
.fg{display:flex;flex-direction:column;gap:5px;}
label{font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;font-family:'Space Mono',monospace;}
input,select{background:var(--surface2);border:1px solid var(--border);color:var(--text);font-family:'Space Mono',monospace;font-size:13px;padding:9px 12px;border-radius:8px;outline:none;width:100%;transition:.15s;}
input:focus,select:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(124,92,252,.1);}
input::placeholder{color:var(--text3);}
select option{background:var(--surface2);}
.btn{background:linear-gradient(135deg,var(--accent2),var(--accent));border:none;color:#fff;font-family:'Space Mono',monospace;font-size:13px;font-weight:700;padding:9px 18px;border-radius:8px;cursor:pointer;transition:.15s;white-space:nowrap;}
.btn:hover:not(:disabled){opacity:.85;transform:translateY(-1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-sm{background:none;border:1px solid var(--border);color:var(--text2);font-family:'Space Mono',monospace;font-size:11px;padding:5px 12px;border-radius:6px;cursor:pointer;transition:.15s;}
.btn-sm:hover{border-color:var(--accent2);color:var(--accent2);}
.hint{font-size:10px;color:var(--text3);margin-top:8px;font-family:'Space Mono',monospace;}

/* Main grid */
.main-grid{display:grid;grid-template-columns:1fr 340px;gap:18px;margin-bottom:18px;}

/* Chart card */
.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px;}
.sec-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.sec-title{font-family:'Space Mono',monospace;font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:1px;}
.tabs{display:flex;gap:4px;}
.tab{background:none;border:1px solid var(--border);color:var(--text3);font-size:10px;font-family:'Space Mono',monospace;padding:4px 10px;border-radius:6px;cursor:pointer;transition:.15s;}
.tab.active{background:var(--accent2);border-color:var(--accent2);color:#fff;}

/* Slider panel */
.slider-panel{display:none;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:16px;}
.slider-date{font-family:'Space Mono',monospace;font-size:12px;font-weight:700;color:var(--accent);margin-bottom:12px;}
.slider-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px;}
.sstat{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 12px;}
.sstat-label{font-size:9px;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;font-family:'Space Mono',monospace;margin-bottom:4px;}
.sstat-val{font-family:'Space Mono',monospace;font-size:17px;font-weight:700;}
.stock-chips{display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid var(--border);padding-top:12px;}
.chip{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 10px;min-width:110px;}
.chip-sym{font-family:'Space Mono',monospace;font-size:11px;font-weight:700;color:var(--accent);}
.chip-price{font-size:10px;color:var(--text2);font-family:'Space Mono',monospace;margin-top:1px;}
.chip-pct{font-family:'Space Mono',monospace;font-size:11px;font-weight:700;margin-top:2px;}
.slider-wrap{margin-top:12px;padding:0 2px;}
input[type=range]{width:100%;accent-color:var(--accent2);cursor:pointer;}
.slider-labels{display:flex;justify-content:space-between;margin-top:3px;}
.slider-labels span{font-family:'Space Mono',monospace;font-size:9px;color:var(--text3);}

/* Chart area */
#chartArea{min-height:220px;display:flex;align-items:center;justify-content:center;}
.empty{text-align:center;font-family:'Space Mono',monospace;font-size:11px;color:var(--text3);line-height:2.2;}

/* Holdings */
.holdings-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px;display:flex;flex-direction:column;}
.holdings-list{flex:1;overflow-y:auto;max-height:340px;scrollbar-width:thin;scrollbar-color:var(--border) transparent;}
.h-item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:8px;cursor:default;transition:.15s;}
.h-item:hover{background:var(--surface2);}
.h-ticker{font-family:'Space Mono',monospace;font-size:13px;font-weight:700;color:var(--accent);min-width:56px;}
.h-name{flex:1;font-size:11px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.h-right{text-align:right;min-width:80px;}
.h-price{font-family:'Space Mono',monospace;font-size:12px;font-weight:700;}
.h-pct{font-family:'Space Mono',monospace;font-size:10px;margin-top:1px;}
.h-del{background:none;border:none;color:var(--text3);cursor:pointer;font-size:13px;padding:3px 5px;border-radius:4px;transition:.15s;line-height:1;}
.h-del:hover{color:var(--red);background:rgba(255,77,106,.1);}
.badge{font-size:8px;font-family:'Space Mono',monospace;padding:1px 5px;border-radius:3px;margin-left:3px;vertical-align:middle;}
.badge-kr{background:rgba(0,212,170,.15);color:var(--green);}
.badge-us{background:rgba(124,92,252,.15);color:var(--accent2);}

/* Bottom */
.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.alloc-item{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.alloc-dot{width:9px;height:9px;border-radius:2px;flex-shrink:0;}
.alloc-name{flex:1;font-size:11px;color:var(--text2);font-family:'Space Mono',monospace;}
.alloc-bar-bg{flex:2;height:3px;background:var(--border);border-radius:2px;overflow:hidden;}
.alloc-bar{height:100%;border-radius:2px;transition:width .5s;}
.alloc-pct{font-family:'Space Mono',monospace;font-size:10px;color:var(--text2);min-width:32px;text-align:right;}

/* Toast */
.toast{position:fixed;bottom:20px;right:20px;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:12px 18px;font-size:12px;z-index:9999;transform:translateY(80px);opacity:0;transition:all .3s cubic-bezier(.34,1.56,.64,1);max-width:300px;}
.toast.show{transform:translateY(0);opacity:1;}
.toast.ok{border-left:3px solid var(--green);}
.toast.err{border-left:3px solid var(--red);}

/* Spinner */
.spin{display:inline-block;width:13px;height:13px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;vertical-align:middle;margin-right:5px;}
@keyframes sp{to{transform:rotate(360deg);}}

/* Language Switcher */
.lang-switch {
  display: flex;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}
.lang-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: .15s;
}
.lang-btn.active {
  background: var(--accent2);
  color: #fff;
}

@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr);}
  .main-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr 1fr;}
  .bottom-grid{grid-template-columns:1fr;}
}